Granted Patent
Utility
US 6,578,089 · App. 09/293,802
Multi-computer access secure switching system
Inventors:
John P. Simpson, Michael H. Wong, Frank O. Blasioli
Patented Case
View Patent ↗
Granted: Jun 10, 2003
Filed: Apr 19, 1999
Inventors
John P. Simpson
Michael H. Wong
Frank O. Blasioli
Assignee (at issue)
Emcon Emanation Control Ltd.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.